refactor: simplify mention handling and remove unused code

CHANGELOG.md

@@ -4,7 +4,12 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+
+## [1.1.1] - 2025-12-13
+
 - Adjusted model/agent selection alignment
+- Fixed user message rendering issues
+
 
 ## [1.1.0] - 2025-12-13
 

packages/ui/src/components/chat/ChatMessage.tsx

@@ -652,7 +652,7 @@ const ChatMessage: React.FC<ChatMessageProps> = ({
                         <FadeInOnReveal>
                             <div
                                 className={cn(
-                                    'rounded-xl border bg-input/10 dark:bg-input/30 pt-[0.7rem] pb-[0.45rem] relative'
+                                    'rounded-xl border bg-input/10 dark:bg-input/30 pt-2 pb-2.5 relative'
                                 )}
                                 style={{
                                     borderColor: 'color-mix(in srgb, var(--primary-muted, var(--primary)) 40%, var(--interactive-border, transparent))'

packages/ui/src/components/chat/message/parts/UserTextPart.tsx

@@ -1,279 +1,8 @@
 import React from 'react';
-import { Streamdown } from 'streamdown';
 
 import { cn } from '@/lib/utils';
 import type { Part } from '@opencode-ai/sdk';
 import type { AgentMentionInfo } from '../types';
-import { RiFileCopyLine, RiCheckLine, RiDownloadLine } from '@remixicon/react';
-
-const SHIKI_THEMES = ['vitesse-light', 'vitesse-dark'] as const;
-
-const CodeBlockWrapper: React.FC<{ children?: React.ReactNode; className?: string }> = ({ children, className }) => {
-    const [copied, setCopied] = React.useState(false);
-    const codeRef = React.useRef<HTMLDivElement>(null);
-
-    const handleCopy = async () => {
-        if (!codeRef.current) return;
-        const codeEl = codeRef.current.querySelector('code');
-        const code = codeEl?.innerText || '';
-        if (!code) return;
-        try {
-            await navigator.clipboard.writeText(code);
-            setCopied(true);
-            setTimeout(() => setCopied(false), 2000);
-        } catch (err) {
-            console.error('Failed to copy:', err);
-        }
-    };
-
-    return (
-        <div className={cn('group relative', className)} ref={codeRef}>
-            {children}
-            <div className="absolute top-1 right-2 opacity-0 group-hover:opacity-100 transition-opacity">
-                <button
-                    onClick={handleCopy}
-                    className="p-1 rounded hover:bg-muted/60 text-muted-foreground hover:text-foreground transition-colors"
-                    title="Copy"
-                >
-                    {copied ? <RiCheckLine className="size-3.5" /> : <RiFileCopyLine className="size-3.5" />}
-                </button>
-            </div>
-        </div>
-    );
-};
-
-// Table utility functions
-const extractTableData = (tableEl: HTMLTableElement): { headers: string[]; rows: string[][] } => {
-    const headers: string[] = [];
-    const rows: string[][] = [];
-    
-    const thead = tableEl.querySelector('thead');
-    if (thead) {
-        const headerCells = thead.querySelectorAll('th');
-        headerCells.forEach(cell => headers.push(cell.innerText.trim()));
-    }
-    
-    const tbody = tableEl.querySelector('tbody');
-    if (tbody) {
-        const rowEls = tbody.querySelectorAll('tr');
-        rowEls.forEach(row => {
-            const cells = row.querySelectorAll('td');
-            const rowData: string[] = [];
-            cells.forEach(cell => rowData.push(cell.innerText.trim()));
-            rows.push(rowData);
-        });
-    }
-    
-    return { headers, rows };
-};
-
-const tableToCSV = ({ headers, rows }: { headers: string[]; rows: string[][] }): string => {
-    const escapeCell = (cell: string): string => {
-        if (cell.includes(',') || cell.includes('"') || cell.includes('\n')) {
-            return `"${cell.replace(/"/g, '""')}"`;
-        }
-        return cell;
-    };
-    
-    const lines: string[] = [];
-    if (headers.length > 0) {
-        lines.push(headers.map(escapeCell).join(','));
-    }
-    rows.forEach(row => lines.push(row.map(escapeCell).join(',')));
-    return lines.join('\n');
-};
-
-const tableToTSV = ({ headers, rows }: { headers: string[]; rows: string[][] }): string => {
-    const escapeCell = (cell: string): string => {
-        return cell.replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r');
-    };
-    
-    const lines: string[] = [];
-    if (headers.length > 0) {
-        lines.push(headers.map(escapeCell).join('\t'));
-    }
-    rows.forEach(row => lines.push(row.map(escapeCell).join('\t')));
-    return lines.join('\n');
-};
-
-const tableToMarkdown = ({ headers, rows }: { headers: string[]; rows: string[][] }): string => {
-    if (headers.length === 0) return '';
-    
-    const escapeCell = (cell: string): string => {
-        return cell.replace(/\\/g, '\\\\').replace(/\|/g, '\\|');
-    };
-    
-    const lines: string[] = [];
-    lines.push(`| ${headers.map(escapeCell).join(' | ')} |`);
-    lines.push(`| ${headers.map(() => '---').join(' | ')} |`);
-    rows.forEach(row => {
-        const paddedRow = headers.map((_, i) => escapeCell(row[i] || ''));
-        lines.push(`| ${paddedRow.join(' | ')} |`);
-    });
-    return lines.join('\n');
-};
-
-const downloadFile = (filename: string, content: string, mimeType: string) => {
-    const blob = new Blob([content], { type: mimeType });
-    const url = URL.createObjectURL(blob);
-    const a = document.createElement('a');
-    a.href = url;
-    a.download = filename;
-    document.body.appendChild(a);
-    a.click();
-    document.body.removeChild(a);
-    URL.revokeObjectURL(url);
-};
-
-// Table copy button with dropdown
-const TableCopyButton: React.FC<{ tableRef: React.RefObject<HTMLDivElement | null> }> = ({ tableRef }) => {
-    const [copied, setCopied] = React.useState(false);
-    const [showMenu, setShowMenu] = React.useState(false);
-    const menuRef = React.useRef<HTMLDivElement>(null);
-
-    React.useEffect(() => {
-        const handleClickOutside = (e: MouseEvent) => {
-            if (menuRef.current && !menuRef.current.contains(e.target as Node)) {
-                setShowMenu(false);
-            }
-        };
-        document.addEventListener('mousedown', handleClickOutside);
-        return () => document.removeEventListener('mousedown', handleClickOutside);
-    }, []);
-
-    const handleCopy = async (format: 'csv' | 'tsv') => {
-        const tableEl = tableRef.current?.querySelector('table');
-        if (!tableEl) return;
-        
-        try {
-            const data = extractTableData(tableEl);
-            const content = format === 'csv' ? tableToCSV(data) : tableToTSV(data);
-            await navigator.clipboard.write([
-                new ClipboardItem({
-                    'text/plain': new Blob([content], { type: 'text/plain' }),
-                    'text/html': new Blob([tableEl.outerHTML], { type: 'text/html' }),
-                }),
-            ]);
-            setCopied(true);
-            setShowMenu(false);
-            setTimeout(() => setCopied(false), 2000);
-        } catch (err) {
-            console.error('Failed to copy table:', err);
-        }
-    };
-
-    return (
-        <div className="relative" ref={menuRef}>
-            <button
-                onClick={() => setShowMenu(!showMenu)}
-                className="p-1 rounded hover:bg-muted/60 text-muted-foreground hover:text-foreground transition-colors"
-                title="Copy table"
-            >
-                {copied ? <RiCheckLine className="size-3.5" /> : <RiFileCopyLine className="size-3.5" />}
-            </button>
-            {showMenu && (
-                <div className="absolute top-full right-0 z-10 mt-1 min-w-[100px] overflow-hidden rounded-md border border-border bg-background shadow-lg">
-                    <button
-                        className="w-full px-3 py-1.5 text-left text-sm transition-colors hover:bg-muted/40"
-                        onClick={() => handleCopy('csv')}
-                    >
-                        CSV
-                    </button>
-                    <button
-                        className="w-full px-3 py-1.5 text-left text-sm transition-colors hover:bg-muted/40"
-                        onClick={() => handleCopy('tsv')}
-                    >
-                        TSV
-                    </button>
-                </div>
-            )}
-        </div>
-    );
-};
-
-// Table download button with dropdown
-const TableDownloadButton: React.FC<{ tableRef: React.RefObject<HTMLDivElement | null> }> = ({ tableRef }) => {
-    const [showMenu, setShowMenu] = React.useState(false);
-    const menuRef = React.useRef<HTMLDivElement>(null);
-
-    React.useEffect(() => {
-        const handleClickOutside = (e: MouseEvent) => {
-            if (menuRef.current && !menuRef.current.contains(e.target as Node)) {
-                setShowMenu(false);
-            }
-        };
-        document.addEventListener('mousedown', handleClickOutside);
-        return () => document.removeEventListener('mousedown', handleClickOutside);
-    }, []);
-
-    const handleDownload = (format: 'csv' | 'markdown') => {
-        const tableEl = tableRef.current?.querySelector('table');
-        if (!tableEl) return;
-        
-        try {
-            const data = extractTableData(tableEl);
-            const content = format === 'csv' ? tableToCSV(data) : tableToMarkdown(data);
-            const filename = format === 'csv' ? 'table.csv' : 'table.md';
-            const mimeType = format === 'csv' ? 'text/csv' : 'text/markdown';
-            downloadFile(filename, content, mimeType);
-            setShowMenu(false);
-        } catch (err) {
-            console.error('Failed to download table:', err);
-        }
-    };
-
-    return (
-        <div className="relative" ref={menuRef}>
-            <button
-                onClick={() => setShowMenu(!showMenu)}
-                className="p-1 rounded hover:bg-muted/60 text-muted-foreground hover:text-foreground transition-colors"
-                title="Download table"
-            >
-                <RiDownloadLine className="size-3.5" />
-            </button>
-            {showMenu && (
-                <div className="absolute top-full right-0 z-10 mt-1 min-w-[100px] overflow-hidden rounded-md border border-border bg-background shadow-lg">
-                    <button
-                        className="w-full px-3 py-1.5 text-left text-sm transition-colors hover:bg-muted/40"
-                        onClick={() => handleDownload('csv')}
-                    >
-                        CSV
-                    </button>
-                    <button
-                        className="w-full px-3 py-1.5 text-left text-sm transition-colors hover:bg-muted/40"
-                        onClick={() => handleDownload('markdown')}
-                    >
-                        Markdown
-                    </button>
-                </div>
-            )}
-        </div>
-    );
-};
-
-// Table wrapper with custom controls
-const TableWrapper: React.FC<{ children?: React.ReactNode; className?: string }> = ({ children, className }) => {
-    const tableRef = React.useRef<HTMLDivElement>(null);
-
-    return (
-        <div className="group my-4 flex flex-col space-y-2" data-streamdown="table-wrapper" ref={tableRef}>
-            <div className="flex items-center justify-end gap-1 opacity-0 group-hover:opacity-100 transition-opacity">
-                <TableCopyButton tableRef={tableRef} />
-                <TableDownloadButton tableRef={tableRef} />
-            </div>
-            <div className="overflow-x-auto">
-                <table className={cn('w-full border-collapse border border-border', className)} data-streamdown="table">
-                    {children}
-                </table>
-            </div>
-        </div>
-    );
-};
-
-const streamdownComponents = {
-    pre: CodeBlockWrapper,
-    table: TableWrapper,
-};
 
 type PartWithText = Part & { text?: string; content?: string; value?: string };
 
@@ -284,9 +13,9 @@ type UserTextPartProps = {
     agentMention?: AgentMentionInfo;
 };
 
-const buildMentionLink = (token: string, name: string): string => {
+const buildMentionUrl = (name: string): string => {
     const encoded = encodeURIComponent(name);
-    return `[${token}](https://opencode.ai/docs/agents/#${encoded})`;
+    return `https://opencode.ai/docs/agents/#${encoded}`;
 };
 
 const UserTextPart: React.FC<UserTextPartProps> = ({ part, messageId, isMobile, agentMention }) => {
@@ -298,27 +27,12 @@ const UserTextPart: React.FC<UserTextPartProps> = ({ part, messageId, isMobile,
     const [isTruncated, setIsTruncated] = React.useState(false);
     const textRef = React.useRef<HTMLDivElement>(null);
 
-    const processedText = React.useMemo(() => {
-        if (!agentMention) {
-            return textContent;
-        }
-        const token = agentMention.token;
-        if (!token || token.length === 0) {
-            return textContent;
-        }
-        if (!textContent.includes(token)) {
-            return textContent;
-        }
-        const link = buildMentionLink(token, agentMention.name);
-        return textContent.replace(token, link);
-    }, [agentMention, textContent]);
-
     React.useEffect(() => {
         const el = textRef.current;
         if (el && !isExpanded) {
             setIsTruncated(el.scrollHeight > el.clientHeight);
         }
-    }, [processedText, isExpanded]);
+    }, [textContent, isExpanded]);
 
     const handleClick = React.useCallback(() => {
         if (isTruncated || isExpanded) {
@@ -326,14 +40,39 @@ const UserTextPart: React.FC<UserTextPartProps> = ({ part, messageId, isMobile,
         }
     }, [isTruncated, isExpanded]);
 
-    if (!processedText || processedText.trim().length === 0) {
+    if (!textContent || textContent.trim().length === 0) {
         return null;
     }
 
+    // Render content with optional agent mention link
+    const renderContent = () => {
+        if (!agentMention?.token || !textContent.includes(agentMention.token)) {
+            return textContent;
+        }
+        const idx = textContent.indexOf(agentMention.token);
+        const before = textContent.slice(0, idx);
+        const after = textContent.slice(idx + agentMention.token.length);
+        return (
+            <>
+                {before}
+                <a
+                    href={buildMentionUrl(agentMention.name)}
+                    className="text-primary hover:underline"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    onClick={(e) => e.stopPropagation()}
+                >
+                    {agentMention.token}
+                </a>
+                {after}
+            </>
+        );
+    };
+
     return (
         <div
             className={cn(
-                "break-words",
+                "break-words whitespace-pre-wrap",
                 !isExpanded && "line-clamp-3",
                 (isTruncated || isExpanded) && "cursor-pointer"
             )}
@@ -341,15 +80,7 @@ const UserTextPart: React.FC<UserTextPartProps> = ({ part, messageId, isMobile,
             onClick={handleClick}
             key={part.id || `${messageId}-user-text`}
         >
-            <Streamdown
+            {renderContent()}
-                mode="static"
-                shikiTheme={SHIKI_THEMES}
-                className={cn('streamdown-content streamdown-user', isMobile && 'streamdown-mobile')}
-                controls={{ code: false, table: false }}
-                components={streamdownComponents}
-            >
-                {processedText}
-            </Streamdown>
         </div>
     );
 };